JAVA数组去重实用方法_Cheng序猿的博客_java数组去重方法

package cn.kgc.mybatisdemo.util;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class Demo1 {

    public static void main(String[] args) {
        String [] num = {"Java", "C++", "Php","Python", "C#", "Python", "C++", "Java"};
        //通过list去重
        List<String> list = new ArrayList<String>();
        for (int i=0; i<num.length; i++) {
            if(!list.contains(num[i])) {
                list.add(num[i]);
            }
        }
        //返回一个包含所有对象的指定类型的数组
        String[] newArrStr =  list.toArray(new String[1]);
        System.out.println(Arrays.toString(newArrStr));
    }
}

package cn.kgc.mybatisdemo.util;

import